3-acetyl-2-[5-(N,N-dimethylhydrazono)fur-2-yl]-1,4-benzoquinone

1-(2-(5-((2,2-dimethylhydrazono)methyl)furan-2-yl)-3,6-dihydroxyphenyl)ethanone

2,5-二羟基苯乙酮

肼二羧酸二乙酯

(E)-diethyl 1-(5-((2,2-dimethylhydrazono)methyl)furan-2-yl)hydrazine-1,2-dicarboxylate